ports/184401: update port and fix build: audio/mp3splt-gtk

[wg at FreeBSD.org]

Synopsis: update port and fix build: audio/mp3splt-gtk

Responsible-Changed-From-To: freebsd-ports-bugs->wg
Responsible-Changed-By: wg
Responsible-Changed-When: Mon Dec 2 12:40:12 UTC 2013
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=184401